Knife block



FIG. 1 is an exploded front, top perspective view of a knife block, showing my new design;

FIG. 2 is an exploded rear, bottom perspective view thereof;

FIG. 3 is an exploded front elevation view thereof;

FIG. 4 is an exploded rear elevation view thereof;

FIG. 5 is an exploded left side elevation view thereof;

FIG. 6 is an exploded right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a front, top perspective view thereof.

The broken lines in the figures illustrate portions of the knife block that form no part of the claimed design. 

CLAIM The ornamental design for a knife block, as shown and described. 